Reincarnated as the Side Character, but Got Changed to the MC

After dying, Mina Bellrose awakens inside her favorite dating sim as its overlooked side character, with every route and flag memorized. She plans to survive one uneventful day, but Raven Vale, a tall, tattooed love interest, drags her into trouble. Mina’s choices raise Raven’s affection and begin pulling Mina into the protagonist’s role, ending on a cliffhanger.